import {
    Card,
    Breadcrumb,
    Form,
    Button,
    Radio,
    Input,
    Upload,
    Space,
    Select,
    message
} from 'antd'
import { PlusOutlined } from '@ant-design/icons'
import { Link, useNavigate, useSearchParams } from 'react-router-dom'
import './index.scss'
import ReactQuill from 'react-quill'
import 'react-quill/dist/quill.snow.css'
import { useEffect, useState } from 'react'
import { getFormAPI, getArticleById, updateArticle } from '@/apis/article'
import useChannels from '@/hooks'

const { Option } = Select


const Publish = () => {
    const { channelList } = useChannels()
    const navigate = useNavigate()

    // 获取表单数据并发布
    const onFinish = async (formData) => {
        // 校验封面类型imageType是否和实际的图片列表imageList数量是相等的
        if (imageList.length !== imageType) return message.warning('封面类型和图片数量不匹配')
        // console.log(formData);
        const { channel_id, content, title } = formData
        // 1.按照接口文档的格式处理收集到的表单数据
        const data = {
            channel_id,
            content,
            title,
            type: 1,
            cover: {
                type: imageType, //封面模式
                // 这里的url处理逻辑只是在新增时候的逻辑
                // 编辑的时候需要做处理
                images: imageList.map(item => {
                    if (item.response) {
                        return item.response.data.url
                    } else {
                        return item.url
                    }
                })//图片列表
            }
        }

        // 2.调用接口提交
        // 处理调用不同的接口  新增-新增接口  编辑状态-更新接口  
        if (articleId) {
            await updateArticle({ ...data, id: articleId })
            message.success('更新文章成功')
        } else {
            await getFormAPI(data)
            message.success('发布文章成功')
        }
        navigate('/article')
    }

    // 上传图片状态
    const [imageList, setImageList] = useState([])
    const onChange = (image) => {
        // console.log(image);
        setImageList(image.fileList)
    }

    // 上传图片数量
    const [imageType, setImageType] = useState(0)
    const onTypeChange = (e) => {
        // console.log(e.target.value);
        setImageType(e.target.value)
    }

    // 回填数据
    const [searchParams] = useSearchParams()
    const articleId = searchParams.get('id')
    // 获取实例
    const [form] = Form.useForm()

    useEffect(() => {
        // 1.通过id获取数据
        async function getArticleDetail() {
            const res = await getArticleById(articleId)
            const data = res.data  //在data里面解构出cover
            const { cover } = res.data
            form.setFieldsValue({
                ...data,
                type: cover.type
            })
            // 为什么现在的写法无法回填封面
            // 数据结构的问题  set方法 -> {type:3} {cover:{type:3}}

            // 回填图片列表
            setImageType(cover.type)
            setImageList(cover.images.map((url) => {
                return url
            }))
        }

        if (articleId) {
            getArticleDetail()
        }
    }, [articleId, form])

    return (
        <div className="publish">
            <Card
                title={
                    <Breadcrumb items={[
                        { title: <Link to={'/'}>首页</Link> },
                        { title: `${articleId ? '编辑' : '发布'}文章` },
                    ]}
                    />
                }
            >
                <Form
                    labelCol={{ span: 4 }}
                    wrapperCol={{ span: 16 }}
                    initialValues={{ type: 0 }}
                    onFinish={onFinish}
                    form={form}
                >
                    <Form.Item
                        label="标题"
                        name="title"
                        rules={[{ required: true, message: '请输入文章标题' }]}
                    >
                        <Input placeholder="请输入文章标题" style={{ width: 400 }} />
                    </Form.Item>
                    <Form.Item
                        label="频道"
                        name="channel_id"
                        rules={[{ required: true, message: '请选择文章频道' }]}
                    >
                        <Select placeholder="请选择文章频道" style={{ width: 400 }}>
                            {channelList.map((item) => <Option value={item.id} key={item.id}>{item.name}</Option>)}
                        </Select>
                    </Form.Item>
                    <Form.Item label="封面">
                        <Form.Item name="type">
                            <Radio.Group onChange={onTypeChange} defaultValue={0}>
                                <Radio value={1}>单图</Radio>
                                <Radio value={3}>三图</Radio>
                                <Radio value={0}>无图</Radio>
                            </Radio.Group>
                        </Form.Item>
                        {/* 上传图片大于0显示上传框 */}
                        {imageType > 0 && <Upload
                            listType="picture-card"
                            showUploadList
                            action={'http://geek.itheima.net/v1_0/upload'}
                            name='image'
                            onChange={onChange}
                            multiple={imageType > 1}
                            maxType={imageType}
                            fileList={imageList}
                        >
                            <div style={{ marginTop: 8 }}>
                                <PlusOutlined />
                            </div>
                        </Upload>
                        }
                    </Form.Item>
                    <Form.Item
                        label="内容"
                        name="content"
                        rules={[{ required: true, message: '请输入文章内容' }]}
                    >
                        <ReactQuill
                            className="publish-quill"
                            theme="snow"
                            placeholder="请输入文章内容"
                        />
                    </Form.Item>

                    <Form.Item wrapperCol={{ offset: 4 }}>
                        <Space>
                            <Button size="large" type="primary" htmlType="submit">
                                发布文章
                            </Button>
                        </Space>
                    </Form.Item>
                </Form>
            </Card>
        </div >
    )
}

export default Publish